Most Frequently Asked Array Interview Questions

Problem TitleDifficultyFrequency in Interviews
2sum
Easy
3sum
Medium
Largest Sum Of Subarray
Easy
Combine Intervals
Medium
Maximize Profits In The Stock Market
Easy
Array Product
Medium
Search Rotated Array
Medium
Largest Container With Water
Medium
Count Subarray Sums
Medium
Swirling Grid
Medium
Smallest Missing Positive Integer
Hard
Pour Water
Medium
Fibonacci
Easy
Longest Sequence Of Consecutive Numbers
Hard
Absent Integer
Easy
Identify Repeated Number
Medium
Identify Smallest In Modified Sorted Array
Medium
Product Subarrays Less Than K
Medium
Maximize Profits In The Stock Market II
Easy
Closest Distance To Word
Easy
Is Triangle Integer
Medium
Maximum Product With Three Factors In Array
Easy
Majority In Array
Easy
Split Array I
Easy
Search For Pivot Index
Easy
Sum Minimums Of Subarrays
Medium
Largest Swap Number
Medium
Absent Ranges
Medium
Largest Increasing Subsequence
Easy
Chunk Up Sorted
Medium
Lowest Cost To Climb Stairs
Easy
Shortest Subarray
Easy
Disjoint Interval Partitioning
Medium
Least Moves To Unique Array
Medium
Subarray With Most Turbulent Elements
Medium
Longest Line of Consecutive One in Matrix
Medium
3Sum Smaller
Medium
Single Pixel II
Medium
Single Pixel I
Medium
Nested Arrays
Medium
Monotone Increasing String
Medium
Maximum Distance in Arrays
Easy
Sum Of Range
Medium
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Expedia
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Lyft
Zenefits
Zillow
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Pocket Gems
Atlassian
Pinterest
Wish
Hulu
Indeed
Nutanix
Visa
Samsung
Mathworks
Nvidia
Palantir Technologies
Citadel
GoDaddy
Yandex
Huawei
Coursera
NetEase
ServiceNow
Grab
Two Sigma
IBM
DoorDash
Aetion
Qualtrics
Morgan Stanley
TripAdvisor
Quora
Wayfair
Intel
Coupang
Square
Splunk
Tesla
Works Applications
BlackRock
Epic Systems
Redfin
Twitch
Barclays
Spotify
Capital One
Zappos
Affirm
IXL
Zoho
Cruise Automation
Cohesity
Roblox
Tableau
Groupon
Riot Games
Akuna Capital
Houzz
Postmates
Flipkart
Symantec
Zynga
Rubrik
Box
Dropbox
Twilio
FactSet
AppDynamics
Booking.com
Robinhood
Qualcomm
HTC
Audible
Drawbridge
Zulily
Deutsche Bank
Evernote
LiveRamp
Databricks
Citrix
DiDi
Pure Storage
Alation
Gilt Groupe
GE Digital
Dataminr
Dell
Lending Club
C3 IoT
Helix
Sumologic
Radius
HBO
MAQ Software
Jump Trading
Asana
Yatra
Arista Networks
Cloudera
InMobi
Fallible
Blizzard
Pure
Netsuite
Pony.ai
EMC
Goo
Karat
Jingchi
TripleByte
Opendoor
TandemG
Netflix
Meituan
Quip
Valve
Sina
Sort By: Problem Type
Array
Backtracking
Binary Indexed Tree
Binary Search
Bit Manipulation
Breadth-first Search
Depth-first Search
Divide and Conquer
Dynamic Programming
Graph
Greedy
Hash Table
Heap
Linked List
Math
Recursion
Segment Tree
Sliding Window
Sort
Stack
String
Topological Sort
Tree
Trie
Two Pointers
Union Find

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